WoRMS source details
Knight-Jones, Phyllis; Knight-Jones, E. Wyn; Kawahara, Tatuo. (1975). A review of the genus Janua, including Dexiospira (Polychaeta: Spirorbinae). Zoological Journal of the Linnean Society. 56(2): 91-129.
52787
10.1111/j.1096-3642.1975.tb00812.x [view]
Knight-Jones, Phyllis; Knight-Jones, E. Wyn; Kawahara, Tatuo
1975
A review of the genus Janua, including Dexiospira (Polychaeta: Spirorbinae)
Zoological Journal of the Linnean Society
56(2): 91-129
Publication
World Polychaeta Database (WPolyDb). Closed access, authors deceased
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Janua (Dexiospira) brasiliensis and J. (D.) foraminosa are fully described for the first time and compared by a pictorial key with other species of Dexiospira and Pillaiospira. The former is very close to J. (D.) pseudocorrugata (=“Sptrorbis corrugatus”) and particularly to J. (D.) nipponica, whilst the latter occupies a central position in the group of five species (including J. (D.) steueri) which are characterized by having large four-lobed juvenile talons. Janua (Janua) pagenstecheri is the most widespread species of the genus, whereas J. (Leodora) knightjonesi seems to be confined to coral seas. In all, 14 species of Janua are recognized, whilst 19 names are here regarded as synonyms or varieties. Eleven other species sometimes placed in Dexiospira or Leodora should rather constitute the genera Circeis, Sinistrella and Romanchella. These are redefined and their affinities are studied. The subgenus Dexiospira seems to be centred in the Indo-West Pacific, where it reaches maximum species-diversity and extension into cooler latitudes. J. (D.) pseudocorrugata var. mannarensis is pantropical and overlaps in the Mediterranean with the west European form and in the West Pacific with vars praeceps and fenestrata, and with subspecies ainu, which are characterized by small modifications of the tube or abdominal setae.
Systematics, Taxonomy
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Dexiospira corrugata (Montagu, 1803) accepted as Spirorbis corrugatus (Montagu, 1803) (source of synonymy)
Janua (Dexiospira) ainu Uchida, 1971 accepted as Neodexiospira pseudocorrugata (Bush, 1905) (source of synonymy)
Janua (Dexiospira) brasiliensis (Grube, 1872) accepted as Neodexiospira brasiliensis (Grube, 1872) (new combination reference)
Janua (Dexiospira) corrugata (Montagu, 1803) accepted as Spirorbis corrugatus (Montagu, 1803) (status source)
Janua (Dexiospira) oshoroensis Uchida, 1971 accepted as Neodexiospira brasiliensis (Grube, 1872) (source of synonymy)
Janua (Dexiospira) preacuta Vine, 1972 accepted as Neodexiospira turrita (Vine, 1972) (additional source)
Janua (Dexiospira) pusilloides (Bush, 1905) accepted as Janua heterostropha (Montagu, 1803) (additional source)
Janua (Dexiospira) turrita Vine, 1972 accepted as Neodexiospira turrita (Vine, 1972) (additional source)
Janua (Fauveldora) anticorrugata Vine, 1972 accepted as Neodexiospira brasiliensis (Grube, 1872) (source of synonymy)
Janua formosa (Bush, 1905) accepted as Neodexiospira formosa (Bush, 1905) (additional source)
Leodora argutus (Bush in Moore, 1903) accepted as Eulaeospira orientalis (Pillai, 1960) (source of synonymy)
Neodexiospira benhami Pillai, 1970 accepted as Neodexiospira pseudocorrugata (Bush, 1905) (source of synonymy)
Neodexiospira fauveli Pillai, 1970 (additional source)
Neodexiospira formosa (Bush, 1905) (additional source)
Neodexiospira lamellosa (Lamarck, 1818) (additional source)
Neodexiospira mannarensis Pillai, 1970 accepted as Neodexiospira pseudocorrugata (Bush, 1905) (source of synonymy)
Neodexiospira turrita (Vine, 1972) (additional source)
Spirorbis (Janua) epichysis Bailey, 1969 accepted as Janua pagenstecheri (Quatrefages, 1866) accepted as Janua heterostropha (Montagu, 1803) (additional source)
Spirorbis (Janua) gnomonicus Bailey, 1969 accepted as Janua pagenstecheri (Quatrefages, 1866) accepted as Janua heterostropha (Montagu, 1803) (source of synonymy)
Spirorbis (Janua) parvulus Bailey, 1969 accepted as Neodexiospira pseudocorrugata (Bush, 1905) (source of synonymy)
Spirorbis bellulus Bush in Moore & Bush, 1904 accepted as Neodexiospira brasiliensis (Grube, 1872) (source of synonymy)
Spirorbis formosus Bush, 1905 accepted as Neodexiospira formosa (Bush, 1905) (source of synonymy)
Spirorbis steueri Sterzinger, 1909 accepted as Neodexiospira steueri (Sterzinger, 1909) (additional source)
Janua (Dexiospira) ainu Uchida, 1971 accepted as Neodexiospira pseudocorrugata (Bush, 1905) (source of synonymy)
Janua (Dexiospira) brasiliensis (Grube, 1872) accepted as Neodexiospira brasiliensis (Grube, 1872) (new combination reference)
Janua (Dexiospira) corrugata (Montagu, 1803) accepted as Spirorbis corrugatus (Montagu, 1803) (status source)
Janua (Dexiospira) oshoroensis Uchida, 1971 accepted as Neodexiospira brasiliensis (Grube, 1872) (source of synonymy)
Janua (Dexiospira) preacuta Vine, 1972 accepted as Neodexiospira turrita (Vine, 1972) (additional source)
Janua (Dexiospira) pusilloides (Bush, 1905) accepted as Janua heterostropha (Montagu, 1803) (additional source)
Janua (Dexiospira) turrita Vine, 1972 accepted as Neodexiospira turrita (Vine, 1972) (additional source)
Janua (Fauveldora) anticorrugata Vine, 1972 accepted as Neodexiospira brasiliensis (Grube, 1872) (source of synonymy)
Janua formosa (Bush, 1905) accepted as Neodexiospira formosa (Bush, 1905) (additional source)
Leodora argutus (Bush in Moore, 1903) accepted as Eulaeospira orientalis (Pillai, 1960) (source of synonymy)
Neodexiospira benhami Pillai, 1970 accepted as Neodexiospira pseudocorrugata (Bush, 1905) (source of synonymy)
Neodexiospira fauveli Pillai, 1970 (additional source)
Neodexiospira formosa (Bush, 1905) (additional source)
Neodexiospira lamellosa (Lamarck, 1818) (additional source)
Neodexiospira mannarensis Pillai, 1970 accepted as Neodexiospira pseudocorrugata (Bush, 1905) (source of synonymy)
Neodexiospira turrita (Vine, 1972) (additional source)
Spirorbis (Janua) epichysis Bailey, 1969 accepted as Janua pagenstecheri (Quatrefages, 1866) accepted as Janua heterostropha (Montagu, 1803) (additional source)
Spirorbis (Janua) gnomonicus Bailey, 1969 accepted as Janua pagenstecheri (Quatrefages, 1866) accepted as Janua heterostropha (Montagu, 1803) (source of synonymy)
Spirorbis (Janua) parvulus Bailey, 1969 accepted as Neodexiospira pseudocorrugata (Bush, 1905) (source of synonymy)
Spirorbis bellulus Bush in Moore & Bush, 1904 accepted as Neodexiospira brasiliensis (Grube, 1872) (source of synonymy)
Spirorbis formosus Bush, 1905 accepted as Neodexiospira formosa (Bush, 1905) (source of synonymy)
Spirorbis steueri Sterzinger, 1909 accepted as Neodexiospira steueri (Sterzinger, 1909) (additional source)
Manche for Pileolaria berkeleyana (Rioja, 1942) (origin: alien)
United Kingdom for Neodexiospira brasiliensis (Grube, 1872) (origin: alien)
United Kingdom for Neodexiospira brasiliensis (Grube, 1872) (origin: alien)
Status
Bush (1905: 248, 250) used Spirorbis corrugatus Montagu for sinistral specimens from Ireland, and pointed out that ... [details]
